(See major companies that do.) However, Apple does hire for work-at-home positions in at least one division, its AppleCare support team. Most of its home-based customer service jobs, called Apple At-Home Advisors, are virtual call center positions; however there are also separate chat agent positions.
Stress fractures heal with time and rest. Athletes are advised to rest from any activity that caused the stress fracture for the 6-14 weeks that the fractures take to heal (ask your doctor how long your particular fracture will probably take to heal), or until pain-free for 2-3 weeks.
A grade 2 hamstring strain will take two to three weeks of recovery for proper healing to occur. Do not allow yourself to put too much stress on the leg during this time because it will just increase the length of recovery time.